Tool for twisting wire ties



1 4. 1,498,616 June 24 92. H. B. FOULDER ,TOOL FOR TWISTING WIRE TIESFiled Oct. 18, 1922 2 Sheva-Shoe. 1

June 24, 1924. I1,498,616

` H. B. FOULDER TOOL FOR TWISTING WIRE TIES 2 Shasta-Sheet 2 Filed oct.18,' 1922 Patented 5112x324, 1924.

T OFFICE.

HENRY B. FOULD'ER, OF BROOKLYN, NEW YORK, ASSIGNOR TO P. CURRY MFG.CO.,` INC., OF STAMFORD, CONNECTICUT, A CORPORATION 0F NEW YORK.

TOOL FOR TWISTING TIRE TIES.

Application, me@ omber 1s, 1922. seriai No. 595,239.

T 0 (4.71 tf1/0m t may concern.'

Be it known that I, HENRY B. FoULDER, a citizen of the United States,residing at Brooklyn, in the county of Kings, city and State of NewYork, have invented certain new and useful Improvements in Tools forTwisting lVire Ties, of which the following is a specification.

My invention relates to tools for twisting wire ties, for use in tyingbags, bundles, or other articles. The principal object of my inventionis to provide a tool which, after twisting a tie, automatically,releases the tie from the tool. Tools operable in this manner have beendescribed by me in Patent No. 1,387,249, issued August 9. 1921, and alsoin an application filed by me March l0, 1920, Serial No. 364,632. Insaid patent and application-the.construction included a twistingheadvprovided with radial, inclined slots sufliciently narrow to preventthe enlarged ends of the tie from pulling therethrough, but feeding intoa central opening large enough to permit both ends of the tie to passthrough. The passage of the ends of the tie into the central opening,however, was normally prevented by means of a spring pressed sleevepositioned in the path of the ends of the tie thereto, but was permittedby the coaction between the carrier or handle and the sleeve` effectiveafter a certain extent of the twisting rotation of the spindle.which-withdrew the sleeve and released the tie by permitting itsenlarged heads to pass into and through vthe enlarged central opening.

The object of this invention is to provide a bag tying tool which is animprovement on the constructions disclosed in said patent and in saidapplication, and constructions which are simpler, more durable and eX-tremely efficient and easy in operation.

In accordance with my present invention the twisting head is providedwith a single, narrow. inclined slot behind whichfis an inclinedpassageway for theenlarged ,ends of the tie.` The discharging endof'this passage is normally closed by a pivoted member, actingin amanner similar-to a valve or trap-door to prevent a tieA from leavingthe lhead'. the lpivoted member being normally held in such position bya spring pressed stop member coacting therewith. I provideoperableineans, connected, with the stop member and operable during tietwisting rotation of the twisting head, for withdrawing the stop fromthe closure member and effecting the release of the tie from the tool.Said means are preferably automatically operated in such manner bycoaction with a member with respect to which the spindle is relativelymovableand effective whenever the spindle becomes eX- tended a certaindistance from its handle or carrier,thus releasing the tie automaticallyat a certain time during the twisting operation. Mechanism `of thecharacter briefly referred to may be'r applied both to hand tools andyto bench tools for twisting ties. y

Inlorder that a clearer understanding of my Ainvention may be had,attention is hereby directedA to the accompanying drawings forming apartof this application and illustrating certain possible embodiments of myinvention. vIn the drawings, Fig. 1` is a. longitudinal sectional viewof a bench tool embodying my invention, certain parts being broken. thetool beingyshown in` tieretainin'g condition and before a twistingoperation has begun; Fig. 2 is a view similar to Fig. 1 but shows thetool in extended position after a twisting o-peration has been comfpleted,and in tie-releasing condition; Fig. 3 is a longitudinalsectional. detail showing the means for withdrawing the stop from theclosure member; Fig. @is a transverse sectional view ltaken on the line1 4 of Fig. 43; Fig. 5 is a. longitudinal sectional view of a hand toolembodying lmy invention, the tool being shown -in tie-retainingcondition and before .a twisting operation has-begun; Fig. 6VY is a viewsimilar to Fig. 5, butshows the tool in tie-releasingcondition andextended as at the end of a twisting operation; Fig. 7 'is a detail planView of the twisting head-portion of the tool showing a tie beingreleased therefrom; Fig. 8 Y

is an .enlarfred sectional view of certain detailsof the construction atthe rear end of the spindle; Figui) is a transverse sec,- rtional viewtaken on .the line 9 9 of- Fig.

6, and Fig.y 10 is af transverse sectional view taken on the line10'-.10 of Fig.v6.y ,v

- Similar reference characters ,refer 1 to similar parts throughout .theseveral 'views of the drawings.

Referring to the thecylindrical spindle 1 is spirally grooved as at 2and at its forward end is provided with a screw threaded portion 3engaging the rear end of the sleeve portion 1 of the tie twisting head5, which at its forward end presents an inclined tubular passageway 6,vopened at both ends, and open also'along a narrow outwardly disposedslot 7 extending from end to end of the passage. inwardly of passage 6head 5 is recessed or slotted, as at 8, and in this recess isl pivoted,as by means of a pin or rivet 9, a member 10 which has a portion 11which is adapted to swing into or out of closing position over thedischarge end of the passage 6 to pre-- vent or to permit the passagetherefrom of the' enlarged ends of a wire tie positionedY in passage 6.I provide means for normally holding the portion 11 in closing positionover the discharge end of passage 6, and to .this end I provide amovable stop 12 which is normally springpressed into engagement with aheel portion 13 of the member' 10 to hold the portion 11 in coveringposition. Stop 12 is preferably secured to or formed on the end of shaft14: yhich is slidably mounted in a suitable longitudinal passage 15provided interiorly of the spindle 1. Shaft 14: is nor-- mally held inforward position with respect to spindle 1 by means of a spiral spring16 which is collapsed between stop 12 and the threaded portion 3 of thespindle 1, and thus stop 12 is normally heldin engagement with heel 13to keep passage 6 closed. Spindle 1 is mounted in a bearing block 17attached to the forward end of a tubular cover or handle 18 and in whichthe spindle isV mounted for relative movement thereto. For effecting therotation of spindle 1 l provide a plurality of balls 19 which engagespiral groove 2 of the spindle and may be heldV in position by screwblocks 20,` which may be mounted in bearing block 17 (as-"in the handtool, Fig. 5) or may be held in a separate block 21 which may be inthreaded engagement with the adjacent ends of a two-piece cover 17 (asat 12) in the bench tool, Fig. 1, and secured againstv rotation by meansof screws 23.

In both the hand tool and the bench tool a w-ire tie 24, when held inthe twisting head, is twisted by pulling spindle 1 outwardly from handleor cover 18, tie-twisting rotation being effected bythe coactionybetween balls 19 and spiral groove 2. The ends of the tie 247 extendthrough slot 7 andhave the enlargements '25 on these ends 'in passage 6.As'. the tie is being twisted these enlarged lends ycontinually seek toYleave the discharge endof passage v6V but lareprevented'from doing sob. vthe closure member 10 until stop 12 is'wit idrawn from this member,which allows theenlargeidends 25 of the wire tie to move mem eil" l0aside v.handle 18 will cause' stop'12 to and to leave the twisting head.1n both the hand tool and in the machine tool l provide means forautomatically withdraw7A ing stop 12 from member 10 to cause the tie toleave the tool during tie-twisting movement of the spindle 1 wheneverthe spindle becomes extended to a certain extent from the handle orcover 18.

To this end, and as shown embodied in the bench tool construction, theinner end of shaft 14 is threaded, as at 26, and is secured into amember 27 which carries a removable transverse bar 28 extending througha slot therein. Bar 28 extends through slots 29 in the spindle 1 andthrough slots 30 in a sleeve member 31 en? circling` spindle 1, pin 32penetrating bn* 28, holding these parts in position. Slots 30 aresomewhat larger than bar 28 so as to permit a certain extent movement tosleeve 81 and shaft 14 relative to spindle 1. The arrangement is suchthat the spring 16 normally holds the shaft 111 and sleeve 31 in theirforemost positionsl relative to the spindle 1. However. when the spindle1 has been extended by a twisting operation to a certain extent, thesleeve 31 is adapted to be stopped by coming against the inner surfaceof the bearing 17 so that furthery extension of spindle 1 causes it tomove forwardly of shaft liltluis freeing cover member 10 from thea-:ltion of stop 12 and automatically effecting the release of a tiebeing twisted from the tool.' Thus, by engaging the end of a tie in thetie-twisting head and by pulling outwardly thereon, the tie becomestwisted and automatically released from the tool,

As a modification of the mechanism for automatically releasing a twistedtie from the tool, and as shown embodied in the h and tool construction,l. extend shaft 111 com pletely throughthe spindle 1 longitudinally, andprovide a threaded portion extending outwardly of the spindle. Screwedon said portion 33 is a member which pie sents a plurality of forwardlyextending lingers 35.

If desired, member 34 may be re-inforced and locked in adjusted positionon shaft 14 by means of a nut 36Y screwed on portion 33. Fingers may beguided in suitable recesses 37 provided in an annular i'iangc 38 of anannular member 39 which secured to the end of spindle 1, Vand wherebymember 34 is prevented from turning. lllfhen the spindle 1 has beenextended from the handle or 'carrier 18 to certain extent, the ends offingers 35 of member adapted to engage against the inner surof aninwardly extending annular boss 410 provided on Ythe bearing member 17so that further extension' of spindle 1 frem be withdrawn from covermember 1() and will allow the of longitudinal l' there may be attached abelt or rope 44 which extends over a pulley wheel 45 carried by abracket 46, secured to the bench 42, as by screws 47, the other end ofbelt 44 being secured to one end of a tensionspring system 48 which, atit-s other end, is suitably secured in iixed. position, as at 49. Anannular bumper member 50 may be secured to spindle 1 near its rear endby means of a pin 51, and a bumper spring 52 may be positioned betweenthe bumper 50 and a stop member 53 secured to the end of cover 18 bybeing in threaded engagement therewith and held in place by screw 54.Thus, as soon as a tie being twisted becomes released from the tool, theparts are restored to original position and the tool is conditioned totwist another tie.

In the application of my invention to a hand tool, the automaticretraction of the spindle from extended position may readily and easilybe obtained by providing 'a coil spring 55 about the spindle 1 andinteriorly of the handle 18. This spring encircles the boss 40, and whenthe spindle is extended is compressed between a shoulder 56 provided bythe bearing 17 and the flange 38 of annular member 39.

The operation of the hand tool is similar to the operation of the benchtool except that with the hand tool the handle 17 is usually pulled awayfrom the tie while with the bench tool the tie is usually pulled awayfrom the carrier 17.

As many changes could be made in the above construction land manyapparently widely different embodiments of this invention could be madewithout departing from the scope thereof, it is intended that all mattercontained in the above description or shown in the accompanying drawingsshall be interpreted as illustrative and not in a limiting sense.

What I claim is 1. In a tie-twisting tool, a twisting head having anarrow slot and a co-extensive open-ended passageway behind said slotfor enlarged ends of wire ties, and means, comprisin a pivoted covermember movable into an out of covering position over an end of saidpassageway, for releasably confining the ends of a wire tie in saidpassageway.

2. In a tie-twisting tool, a twisting head having a narrow slot and aco-extensive open-ended passageway behindrsaid slot for enlarged ends ofwire ties, and means, comprising a pivoted cover member movable into andout of covering position over an end of said passageway, for releasablyconfining the ends of a wire tie in said passageway, and means coactingwith said pivoted cover member for movably holding said cover member incovering position over said end ot the passageway.

3. In a tie-twisting tool, a twisting head having a narrow slot and aco-extensive` open-ended passageway behind said slot for enlarged endsof wire ties, and means, comprising a pivoted cover member movable intoand out of covering position over an end of said passageway, forreleasably conining the ends of a wire tie in said passageway, means,comprising a movable stop engaging said cover member, for holding saidmember in covering position, meansl for withdrawing said stop from saidcover member to permit the release of said ends from said passageway,and means for rotating said twisting head.

4. In a tie-twisting tool, a twisting head having a narrow slot and: aco-extensive open-ended passageway behind said slot for enlarged ends ofwire ties, and means, comprising a pivoted cover member movable into andout of covering position over an end of said passageway, for releasablyconlining the ends of a wire tie in said passageway, a spring-pressedstop member, coacting with said pivoted cover member, normally holdingsaid member in covering position, operable means, connected with saidstop member, for withdrawing said stop ,from said cover member, meansfor operating said operable means during tie-twisting rotation of saidhead, and means for rotating said twisting head.

5. In a tie-twisting tool, in combination, a twisting head presenting aninclined, slotted passageway for the ends of a wire tie, a cover memberpivoted on said head for movement into and out of covering position overthe discharge end of said passageway, to prevent or to permit thepassage of said tie-ends therethrough, means,

comprising a movable stop member adapted to engage said cover member,for holding said cover member in covering position, means, automaticallyoperable during the twisting rotation of said twisting head, forwithdrawing said stop from said cover member to permit the passage ofsaid tie-ends out of the discharge end oit' said passageway, and meansfor rotating said twisting head.

6. In a tie-twisting tool, in combination, a spindle, a cover therefor,a twisting head on said spindle and having an inclined, slottedpassageway for the enlarged ends of a Wire tie, a Closure member forsaid passageway pivoted on said head, a. shaft mounted for longitudinalmovement relatively to said spindle, a stop on said shat't, adapted Whensaid shaft is in forward position relatively to said spindle, to engagesaid closure member to hold said member in Covering position, andadapted, when said spindle is retracted relatively to said spindle, torelease said closure member for movement into uncovering position7spring means normally holding said shaft in for- Ward position relativeto said spindle, means, effective Whenever said spindle has been eX-tended to a` certain distance ont ot said cover, for retract-ing saidshaft relatively to said spindle, vand means for rotating said spindleas it becomes extended from said cover.

7. In av tie-twisting tool, in combination7 a spindle, a Cover therefor,a twisting-head, means, associated With said head and operable intotie-retaining` Condition and int-o tiereleasing condition, tor retaininga tie on said head for twisting and for releasing a tie therefrom, aspring-pressed stop coactin` with said means and normally holding saidmeans in tie-retaining Condition, and means for retraeting said stop toplace said means in tie-releasing Condition, and inelud- 9 ing a shaftattaehed to said stop and earried longitudinally in said spindle forrelative movement thereto and a radially extending` member on said shaftand a stop in the path of said member, adapted to engage said memberWhenever said spindle extends to a certain extent from said cover.

This specification signed and witnessed this 16th day of Oct., 1922.

HENRY B. FOULDER.

